phosphorus trichoride in dichloromethane 1.75 h; Heating;

in benzene molar ratio Cl2AlCH2AlCl2 to Li-compound=1:2; boiling;;

in toluene large excess of Me3Al adding to a soln. of chloro deriv. in toluene, volatiles removing by fractional distillation; not isolated;

in toluene the target compound was not formed;

in toluene T=110°C; 6 h;

in melt mixing equimolar amounts; heating to 125°C while stirring; crystn. on cooling;; dissolving in n-pentane, filtration, evapn., crystn. at -60°C; further purification by sublimation in vac. (1E-Torr, 65°C, 8h); elem. anal.; detn. by mass-spectroscopy, (1)-H-, (13)C-NMR, IR;;

in neat (no solvent) byproducts: AlCl3; Al-compound and BCl3 heated in a autoclave at 120°C for 12 h; BCl3 and volatiles removed, distd.;